Hypothesis that the median ?uoride level

Assignment Help Basic Statistics

Reference no: EM13965306

The regulatory board of health in a particular state speci?es that the ?uoride levels in water must not exceed 1.5 parts per million (ppm). The 20 measurements given here represent the randomly selected daily early morning readings on ?uoride levels in water at a certain city.

0.88 0.82 0.97 0.95 0.84 0.90 0.87 0.78 0.75 0.83

0.71 0.92 1.11 0.81 0.97 0.85 0.97 0.91 0.78 0.87

Test the hypothesis that the median ?uoride level for this city is 0.90 against the alternative that the median is different from 0.9 at α = 0.01, using (a) the large sample sign test, and (b) the Wilcoxon signed rank test. Interpret the results.

Reference no: EM13965306

Questions Cloud

Determine the spacing of the slits : A double slit experiment is performed with 589 nm light and slits-to-screen distance of 2.00 nm. The tenth interference minimum is observed 7.26 mm from the central maximum. Determine the spacing of the slits.

What distance from the contact point is the next dark fringe : Two glass plates 10cm long are in contact at one end and seperated at the other end by a thread .050 mm in diameter. Light containing two wavelengths 400nm and 600nm is incident perpendicularly. At what distance from the contact point is the next ..

Hypothesis that the median weight of nfl players : Test the hypothesis that the median weight of NFL players is 250 pounds against the alter- native that it is greater at α = 0.05, using (a) the large sample sign test and (b) the Wilcoxon signed rank test.

Why is the center of the pattern dark : At best, the pupil of your eye has an aperture of 7.0 mm diameter. Compare the angular resolution of your eye divided by a factor of 7.0 with the intrinsic angular resolution of the binoculars. Which of the two numbers determines the actual angula..

Hypothesis that the median ?uoride level : Test the hypothesis that the median ?uoride level for this city is 0.90 against the alternative that the median is different from 0.9 at α = 0.01, using (a) the large sample sign test, and (b) the Wilcoxon signed rank test. Interpret the results.

Determine the equivalent units for october : Determine the total cost of ending work in process inventory and the total cost of units transferred to the Finishing Department in October.

What you would like to achieve from your studies : Tell us about your interest in this course, and what you would like to achieve from your studies Topic is Nursing

Prepare a post-closing trial balance : Post to the customer and creditor accounts. Also post individual items that are not included in column totals at the end of the month to the general ledger accounts. Foot and cross foot the journals and make the month-end postings.

Provide the uml diagrams for the given problem : Provide the UML diagrams for the given problem with clear explanations on the design decisions. Derive detailed Use Case diagram, Class diagram & a sequence diagram and provide an alternative OO design for the same problem

User Account

All Pages